Riaz Chowdhury, M.D, PHD
NPI 1750348769 · Gastroenterology Physician · Raleigh, NC
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Riaz Chowdhury, M.D, PHD is a Gastroenterology Physician provider in Raleigh, NC (NPI 1750348769).
Provider details
- NPI number
- 1750348769
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D, PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 200400197 (NC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
816 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 241 | $122 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 101 | $221 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 90 | $76 |
| Biopsy of Large Bowel Using a Flexible Endoscope45380 | 72 | $74 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 68 | $120 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 17 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Pantoprazole Sodium | 282 | 91 |
| Sodium, Potassium,mag Sulfatesbrand: Sod Sulf-Potass Sulf-Mag Sulf | 137 | 136 |
| Famotidine | 105 | 44 |
| Linaclotidebrand: Linzess | 67 | 21 |
| Lipase/Protease/Amylasebrand: Creon | 52 | — |
| Peg3350/Sod Sulf,bicarb,cl/Kclbrand: Gavilyte-G | 43 | 42 |
| Colestipol Hcl | 32 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$684 across 29 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-26
- Last updated
- 2024-01-24
- Certified
- 2024-01-24
Frequently asked questions
- What is Riaz Chowdhury's NPI number?
- Riaz Chowdhury's National Provider Identifier (NPI) is 1750348769, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Riaz Chowdhury's specialty?
- Riaz Chowdhury is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Riaz Chowdhury located?
- Riaz Chowdhury's practice location on file with NPPES is 3024 New Bern Ave, Raleigh, NC 27610-1247.
- What is Riaz Chowdhury's phone number?
- The practice phone number listed in the NPPES registry for Riaz Chowdhury is (919) 350-5318.
- Does Riaz Chowdhury accept Medicare?
- Riaz Chowdhury is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Riaz Chowdhury's NPI active?
- Yes — Riaz Chowdhury's NPI (1750348769) is active in the NPPES registry as of the last update on 2024-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.